CN104327237A - Blue light-proof resin lens and preparation process thereof - Google Patents
Blue light-proof resin lens and preparation process thereof Download PDFInfo
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- CN104327237A CN104327237A CN201410531867.XA CN201410531867A CN104327237A CN 104327237 A CN104327237 A CN 104327237A CN 201410531867 A CN201410531867 A CN 201410531867A CN 104327237 A CN104327237 A CN 104327237A
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- blue light
- resin lens
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- 239000011347 resin Substances 0.000 title claims abstract description 23
- 229920005989 resin Polymers 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims description 10
- -1 benzotriazole compound Chemical class 0.000 claims abstract description 21
- 238000005516 engineering process Methods 0.000 claims abstract description 14
- 239000000178 monomer Substances 0.000 claims abstract description 11
- 239000012964 benzotriazole Substances 0.000 claims abstract description 10
- 150000001875 compounds Chemical class 0.000 claims abstract description 7
- 239000000126 substance Substances 0.000 claims abstract description 5
- SIKJAQJRHWYJAI-UHFFFAOYSA-N Indole Chemical compound C1=CC=C2NC=CC2=C1 SIKJAQJRHWYJAI-UHFFFAOYSA-N 0.000 claims abstract description 4
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical group SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000005056 polyisocyanate Substances 0.000 claims abstract description 3
- 229920001228 polyisocyanate Polymers 0.000 claims abstract description 3
- 238000003756 stirring Methods 0.000 claims description 25
- 239000005457 ice water Substances 0.000 claims description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 14
- 229940059574 pentaerithrityl Drugs 0.000 claims description 12
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 12
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- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 claims description 7
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- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 5
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- DICYJGINWGVIOA-UHFFFAOYSA-N 1,2,3-trihydroxypropane-1-sulfonic acid Chemical compound OCC(O)C(O)S(O)(=O)=O DICYJGINWGVIOA-UHFFFAOYSA-N 0.000 claims description 2
- RTTZISZSHSCFRH-UHFFFAOYSA-N 1,3-bis(isocyanatomethyl)benzene Chemical compound O=C=NCC1=CC=CC(CN=C=O)=C1 RTTZISZSHSCFRH-UHFFFAOYSA-N 0.000 claims description 2
- 238000006555 catalytic reaction Methods 0.000 claims description 2
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 claims description 2
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- RKJUIXBNRJVNHR-UHFFFAOYSA-N indolenine Natural products C1=CC=C2CC=NC2=C1 RKJUIXBNRJVNHR-UHFFFAOYSA-N 0.000 abstract 1
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- DRLFMBDRBRZALE-UHFFFAOYSA-N melatonin Chemical compound COC1=CC=C2NC=C(CCNC(C)=O)C2=C1 DRLFMBDRBRZALE-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/73—Polyisocyanates or polyisothiocyanates acyclic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/00403—Producing compound lenses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/00432—Auxiliary operations, e.g. machines for filling the moulds
- B29D11/00442—Curing the lens material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00951—Measuring, controlling or regulating
- B29D11/00961—Measuring, controlling or regulating using microprocessors or computers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/2805—Compounds having only one group containing active hydrogen
- C08G18/288—Compounds containing at least one heteroatom other than oxygen or nitrogen
- C08G18/2885—Compounds containing at least one heteroatom other than oxygen or nitrogen containing halogen atoms
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
- C08G18/3855—Low-molecular-weight compounds having heteroatoms other than oxygen having sulfur
- C08G18/3876—Low-molecular-weight compounds having heteroatoms other than oxygen having sulfur containing mercapto groups
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/67—Unsaturated compounds having active hydrogen
- C08G18/671—Unsaturated compounds having only one group containing active hydrogen
- C08G18/672—Esters of acrylic or alkyl acrylic acid having only one group containing active hydrogen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
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- C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
- C08G18/751—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring
- C08G18/752—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group
- C08G18/753—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group
- C08G18/755—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group and at least one isocyanate or isothiocyanate group linked to a secondary carbon atom of the cycloaliphatic ring, e.g. isophorone diisocyanate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
- C08G18/758—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing two or more cycloaliphatic rings
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
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- C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
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Abstract
The invention discloses a blue light-proof resin lens; three chemical components A, B, C are mixed, and then a polymerization reaction is initiated and catalyzed; the mass ratio of the components A, B and C is 30-50:20-50:0.1-1, wherein the component A is a polyisocyanate compound, the component B is mercaptan, and the component C is an indole or benzotriazole compound. The blue light-proof resin lens is prepared by the steps: various chemical monomers having special structures and good optical performance are selected, a suitable catalyst is added, a corresponding mirror formation technology is planned through a computer temperature programming technology, and the strong-toughness series blue light-proof resin lens with the refractive index of 1.55-1.67 is prepared. At the same time, the function of the lens is increased, so that the lens can absorb harmful blue light and violet light in visible light to different extent degrees, so as to achieve the effect of protecting human eyes, and invent comfortable and safe glasses for the amblyopia group.
Description
Technical field
The present invention relates to a kind of resin lens and preparation technology thereof.
Background technology
Blue light is a kind of wavelength is the high energy visible light of 400-500nm, and it has become a common general knowledge of ophthalmology educational circles of the world to the huge injury of human eye.In life, blue light is ubiquitous, mankind's activity makes the thinning of atmospheric ozone layer, and the blue light of solar radiation strengthens, various luminescent lamp, LED illumination product, display screen, projection, liquid crystal display (computer, mobile phone etc.), super bath, laser pen, various digital products etc.These are all called it is " eyesight Kill hand ".According to the display of research evidence, wavelength is that 400nm ~ 480nm blue light easily damages eyes, and blue light can penetrate cornea, crystal, arrives retina.Short wavelength's blue light with 400 ~ 500nm in visible ray is the most serious to amphiblestroid damage.Putting etc. compare 400 ~ 500nm blue light and the intensity needed for 510 ~ 740nm yellow light lagophthalmos respectively, and the intensity that result display causes same degree retinal function to damage required blue light is only the l/30 of gold-tinted.Blue light mainly plays detrimental effect to a kind of pigment in retina, and this pigment is only accumulated in retina cell, this pigment molecular in cell, very strong to the light absorption effect of blue region.If the mankind live for a long time in the environment of blue light contamination, can damage neurocyte (optic nerve) and brain cell, nerves reaction weakens; Interference physiological clock; Slow down metabolism, affect immune normal recovery.Blue light can stimulate brain, suppresses melatonin secretion, and improves the generation of adrenocortical hormone, thus destroys hormone secretion balance.Research finds, does not have enough sleep or human immunity function, reversed stress, memory and the coordination ability that sleep quality is low obviously decline, and the probability of suffering from the diseases such as diabetes, heart trouble, cancer, obesity, maldigestion, constipation, dysthymia disorders increases.Blue light injects eyeground after focusing on, and focus drops between retina and lens, aggravation aberration and dimness of vision degree.Visible rays within the eye focus point is different, which increases the aberration distance that light focuses within the eye, thus blue light inject the dimness of vision degree that can add according to aberration, thus cause asthenopia.In certain wavelength region, the susceptibility of rat retina during photochemical damage rises in logarithmic relationship along with the shortening of optical wavelength.The most serious to amphiblestroid damage with short wavelength's blue light of 400 ~ 500nm in visible ray, it can cause retinal degeneration, destructible retinal function even retina shedding; Cause various diseases.A large amount of unfiltered blue lights can accelerate the cellular oxidation in macula retinae district, are the one of the main reasons causing macula retinae pathology.Animals and human beings skin is interior, the pigment of eyeball can absorb the shortwave light such as ultraviolet, royal purple light, can avoid the injury to subcutis and eyes.With advancing age, this effective pigment reduces people thereupon, and particularly the hypopigmentation of eyeball is obvious, and the white race is especially obvious.This technology adopts synthetic additive, add in resin lens, can effectively stop and absorption ultraviolet, royal purple light, avoid blue light to human eye, injury to optic nerve and brain, alleviate the phenomenons such as eye is swollen, sour and astringent, shouting pain, reduce fatigue tired out, keep eyes are moistening, thing is looked in raising contrast gradient and color identification, increase vision resisting power and concentrated force.Regulate the addition of pigment, the size of the ability of anti-indigo plant can be regulated.
Along with the development that current scientific and technological crescent is different, the mankind enter the information age, and mode of learning, mode of operation, mode of life all there occurs significant change.This is wherein more and more higher to the degree of dependence of vision, and the burden of vision is more and more heavier.And computer, TV, the blue ray radiation composition of display screen is high, large to the injury of visual cell, and is an optical emitter constantly changed.In addition, the optical radiation of energy-saving electric light source also contains harmful blue light radiation, while bringing benefit, also in the health virtually injuring human eye.Be in for a long time in this environment, people easily produces asthenopia, not only eye adjustment force decline, blurring of vision, and along with symptoms such as headache, dizziness, Nausea and vomiting and mood anxiety, agitation and other neurosiss.More and more paying attention to healthy today, how to protect eyes will be subject to people and more paying attention to.
Summary of the invention
The technical problem to be solved in the present invention overcomes existing defect, provides the anti-blue light resin lens that a kind of specific refractory power is the obdurability series of 1.55-1.67;
Another object of the present invention is to provide the preparation method of above-mentioned anti-blue light resin lens.
Object of the present invention carrys out specific implementation by the following technical programs:
A kind of anti-blue light resin lens, the polyreaction of catalysis is caused after being mixed by three class chemical composition A, B, C, the mass ratio of described component A:B:C is 30-50:20-50:0.1-1, wherein, described component A is polyisocyanate compound, described B component is mercaptan, and described component C is indoles or benzotriazole compound.
Preferably, described component A is 2, two (isocyanatomethyl) dicyclo [2 of 5-, 2,1] heptane, hexa-methylene-1,6 vulcabond, isophorone diisocyanate, 1,3-bis-(isocyanatomethyl) benzene, dicyclohexyl methyl hydride-4,4 ,-two vulcabond, hexa-methylene-1,6 diisocyanate trimer or toluene diisocynate.
Preferably, described B component is for being mercapto ethyl thioether, mercapto ethyl mercapto propyl group thioether, 1,2-bis-[(2-mercaptoethyl) sulphur]-3-thio propane, 1,4-dithiane-2-thiomethyl alcohol, 1,4-dithiane-2-methylmercaptan ethyl mercaptan, 2,5-dimethyl sulfydryl-Isosorbide-5-Nitrae-dithiane, tetramethylolmethane four-3-mercaptopropionic acid ester, tetramethylolmethane three-3-mercaptopropionic acid ester, tetramethylolmethane two-3-mercaptopropionic acid ester, tetramethylolmethane-3-propionic ester or sulfo-glycerol.
Preferably,
When described component C is Benzazole compounds, adopt structural formula as I compound:
R1＝CH
3,；CH
3CH
2；CH(CH)
2，
R2＝CH
3CH
2CH
2CH
2O；CH
3CH
2CH
2O；OCH(CH
3)
2；CH
3O；
When described component C is benzotriazole compound, adopt structural formula as II compound:
X＝H、Cl，
R1＝—CH
3、—CH
2CH
3、—CH(CH
3)
2、—C(CH
3)
3，
R2＝—CH
3、—CH(CH
3)
2、—C(CH
3)
3。
More excellent, component A adopts hexa-methylene-1,6 vulcabond and isophorone diisocyanate; B component adopts tetramethylolmethane four-3-mercaptopropionic acid ester and mercapto ethyl mercapto propyl group thioether; Component C adopts 4-chloro-1-(2-hydroxyl-3,5-di-t-butyl) benzotriazole; Described hexa-methylene-1,6 vulcabond: isophorone diisocyanate: tetramethylolmethane four-3-mercaptopropionic acid ester: mercapto ethyl mercapto propyl group thioether: the weight ratio of the chloro-1-of 4-(2-hydroxyl-3,5-di-t-butyl) benzotriazole is 20:30:40:10:1.
The preparation technology of above-mentioned anti-blue light resin lens, comprises the steps:
1) monomer mixing:
Take component A, component C in proportion, stir at normal temperatures, add a small amount of internal mold release and catalyzer, at normal temperatures vacuum stirring 30 ~ 60min, component C is dissolved completely, puts into ice-water bath, after continuing vacuum stirring, cool to 10 DEG C ± 2 DEG C; Add B component, stop after vacuum stirring 45 ~ 60min stirring in ice-water bath, the static 30 ~ 45min of vacuum in ice-water bath;
2) mirror is solidified into:
Nitrogen is exerted pressure, and mix monomer injects the mould prepared through filtering membrane, inject complete, the mould that mix monomer is housed is put into curing oven and carries out thermosetting and change into mirror;
3) regelate:
Thermofixation terminates, and carries out coming out of the stove, die sinking, trimming, after cleaning, eyeglass carries out regelate.
Further, described step 1) in, vacuum tightness is-0.08-0.09Mpa, and described catalyzer is dibutyl tin dichloride.
Further, described step 2) in, the aperture of described filtering membrane is 1 ~ 3 μm, and the pressure that nitrogen is exerted pressure is 0.05 ~ 0.09Mpa.
Further, described step 2) in solidification heat solidification value curve and set time as follows:
Specific refractory power be 1.56 cure profile and set time be:
28 DEG C
2.0hr35 DEG C
4.0hr50 DEG C
3.0hr70 DEG C
3.0hr80 DEG C
6.0hr130 DEG C
2.0hr130 DEG C
1.0hr70 DEG C
1.0hr70 DEG C, need 22 hours altogether;
Specific refractory power be 1.60 cure profile and set time be:
30 DEG C
6hr.40 DEG C
3hr.50 DEG C
2hr.65 DEG C
3hr.95 DEG C
1hr.120 DEG C
4hr.120 DEG C
1hr.70 DEG C, need 21 hours altogether;
Specific refractory power is cure profile and the set time of 1.67:
30 DEG C
4.5hr.30 DEG C 5
hr.60 DEG C
3hr.90 DEG C
0.5hr.100 DEG C
0.5hr.120 DEG C
2hr.120 DEG C
1hr.70 DEG C, need 16.5 hours altogether.
Further, described step 3) in, regelate process, adopts and keeps 2 ~ 3 hours temperature 120 ~ 130 DEG C.
Eyeglass after twice solidification can enter next procedure and stiffened plated film.Finally test to finished product, except the measurement to other index of eyeglass, emphasis carries out shock resistance test (center thickness is generally 1.2 ~ 1.6mm), visible ray and the test of blue light transmitance.
Beneficial effect of the present invention:
Anti-blue light resin lens of the present invention is by selecting some by special construction and the various chemical monomers of good in optical property, add suitable catalyzer, to be heated up technology by computer program, make corresponding one-tenth mirror Technology, prepare the obdurability series anti-blue light resin lens that specific refractory power is 1.55-1.67.Meanwhile, adding the function of eyeglass, make the royal purple light that eyeglass can be harmful in absorption visible ray in various degree, thus reach the effect of protection human eye, is a kind of comfortable and safe glasses of amblyopia colony invention.
Embodiment
Below the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
Mould prepares: according to production requirement, and the die and mould strengthening process needed, clean up, matched moulds is stand-by.
The catalyzer that following embodiment adopts is dibutyl tin dichloride.
Embodiment 1:
Take the hexa-methylene-1 in component A, 6 vulcabond 2kg, isophorone diisocyanate 3kg, the chloro-1-of 4-in component C (2-hydroxyl-3,5-di-t-butyl) benzotriazole 100g, stirs at normal temperatures, add catalyzer 12g, releasing agent 8g, vacuum stirring 30min ~ 60min under normal temperature (25 ± 3 DEG C), makes component C dissolve completely, put into ice-water bath, after continuing vacuum stirring, cool to about 10 DEG C.Add the tetramethylolmethane four-3-mercaptopropionic acid ester 4Kg in B component, mercapto ethyl mercapto propyl group thioether 1Kg, stop after vacuum stirring 45min stirring in ice-water bath, stationary vacuum 40min in ice-water bath, nitrogen is exerted pressure, and after filtration, injects the mould prepared; Mix monomer injects the mould prepared through filtering membrane, inject complete, put into curing oven, adopt specific refractory power be 1.56 cure profile be solidified into mirror.Thermofixation terminates, and carries out coming out of the stove, die sinking, after cleaning, eyeglass carries out regelate, and the eyeglass after twice solidification enters next procedure and stiffened plated film.Finally finished product is tested, the lens index obtained is: 1.556, impact test result is: 67g steel ball highly freely falls from 2 meters, continuous three leakless or chip (lens center thickness is 1.50mm), visible light transmissivity is 92%, under wavelength is 415nm, the transmitance of blue light is 1.5%
Embodiment 2:
Take the dicyclohexyl methyl hydride-4 in component A, 4,-two vulcabond 3.5kg, hexa-methylene-1, the chloro-1-of 4-(the 2-hydroxyl-3-sec.-propyl-5-tertiary butyl) benzotriazole 80g in 6 vulcabond 1.3kg, component C, 2-cyano group-3-(1-methyl-2-phenyl-1-hydrogen-3-indoles)-2-ethyl propenoate 20g, stir at normal temperatures, add catalyzer 15g, releasing agent 8g, vacuum stirring 30min ~ 60min under normal temperature (25 ± 3 DEG C), component C is dissolved completely, puts into ice-water bath, after continuing vacuum stirring, cool to about 10 DEG C.Add the tetramethylolmethane four-3-mercaptopropionic acid ester 2Kg in B component, 1,2-bis-[(2-mercaptoethyl) sulphur]-3-thio propane 3.2Kg, stop after vacuum stirring 45min stirring in ice-water bath, stationary vacuum 40min in ice-water bath, nitrogen is exerted pressure, after filtration, inject the mould prepared; Mix monomer injects the mould prepared through filtering membrane, inject complete, put into curing oven, adopt specific refractory power be 1.60 cure profile be solidified into mirror.Thermofixation terminates, and carries out coming out of the stove, die sinking, after cleaning, eyeglass carries out regelate, and the eyeglass after twice solidification enters next procedure and stiffened plated film.Finally finished product is tested, the lens index obtained is: 1.598, impact test result is: 67g steel ball highly freely falls from 2 meters, continuous three leakless or chip (lens center thickness is 1.46mm), visible light transmissivity is 91%, under wavelength is 420nm, the transmitance of blue light is 2%
Embodiment 3:
Take 1,3-in component A bis-(isocyanatomethyl) benzene 4kg, hexa-methylene-1,6 vulcabond 1kg,, 2-cyano group-3-(1-methyl-2-phenyl-1-hydrogen-3-the indoles)-2-ethyl propenoate 120g in component C, stirs at normal temperatures, add catalyzer 15g, releasing agent 8g, vacuum stirring 30min ~ 60min under normal temperature (25 ± 3 DEG C), makes component C dissolve completely, put into ice-water bath, after continuing vacuum stirring, cool to about 10 DEG C.Add 1,2-in B component bis-[(2-mercaptoethyl) sulphur]-3-thio propane 3.5Kg, mercapto ethyl thioether 1.5Kg, stop after vacuum stirring 45min stirring in ice-water bath, stationary vacuum 40min in ice-water bath, nitrogen is exerted pressure, after filtration, inject the mould prepared; Mix monomer injects the mould prepared through filtering membrane, inject complete, put into curing oven, adopt specific refractory power be 1.67 cure profile be solidified into mirror.Thermofixation terminates, and carries out coming out of the stove, die sinking, after cleaning, eyeglass carries out regelate, and the eyeglass after twice solidification enters next procedure and stiffened plated film.Finally finished product is tested, the lens index obtained is: 1.667, impact test result is: 32g steel ball highly freely falls from 2 meters, continuous three leakless or chip (lens center thickness is 1.5mm), visible light transmissivity is 92%, under wavelength is 430nm, the transmitance of blue light is 1.8%.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an anti-blue light resin lens, it is characterized in that: the polyreaction causing catalysis after being mixed by three class chemical composition A, B, C, the mass ratio of described component A:B:C is 30-50:20-50:0.1-1, wherein, described component A is polyisocyanate compound, described B component is mercaptan, and described component C is indoles or benzotriazole compound.
2. anti-blue light resin lens according to claim 1, it is characterized in that: described component A is 2, two (isocyanatomethyl) dicyclo [2 of 5-, 2,1] heptane, hexa-methylene-1,6 vulcabond, isophorone diisocyanate, 1,3-bis-(isocyanatomethyl) benzene, dicyclohexyl methyl hydride-4,4 ,-two vulcabond, hexa-methylene-1,6 diisocyanate trimer or toluene diisocynate.
3. anti-blue light resin lens according to claim 1, it is characterized in that: described B component is for being mercapto ethyl thioether, mercapto ethyl mercapto propyl group thioether, 1,2-bis-[(2-mercaptoethyl) sulphur]-3-thio propane, 1,4-dithiane-2-thiomethyl alcohol, 1,4-dithiane-2-methylmercaptan ethyl mercaptan, 2,5-dimethyl sulfydryl-Isosorbide-5-Nitrae-dithiane, tetramethylolmethane four-3-mercaptopropionic acid ester, tetramethylolmethane three-3-mercaptopropionic acid ester, tetramethylolmethane two-3-mercaptopropionic acid ester, tetramethylolmethane-3-propionic ester or sulfo-glycerol.
4. anti-blue light resin lens according to claim 1, is characterized in that:
When described component C is Benzazole compounds, adopt structural formula as I compound:
R1＝CH
3,；CH
3CH
2；CH(CH)
2，
R2＝CH
3CH
2CH
2CH
2O；CH
3CH
2CH
2O；OCH(CH
3)
2；CH
3O；
When described component C is benzotriazole compound, adopt structural formula as II compound:
X＝H、Cl，
R1＝—CH
3、—CH
2CH
3、—CH(CH
3)
2、—C(CH
3)
3，
R2＝—CH
3、—CH(CH
3)
2、—C(CH
3)
3。
5. anti-blue light resin lens according to claim 1, is characterized in that:
Component A adopts hexa-methylene-1,6 vulcabond and isophorone diisocyanate;
B component adopts tetramethylolmethane four-3-mercaptopropionic acid ester and mercapto ethyl mercapto propyl group thioether;
Component C adopts 4-chloro-1-(2-hydroxyl-3,5-di-t-butyl) benzotriazole;
Described hexa-methylene-1,6 vulcabond: isophorone diisocyanate: tetramethylolmethane four-3-mercaptopropionic acid ester: mercapto ethyl mercapto propyl group thioether: the weight ratio of the chloro-1-of 4-(2-hydroxyl-3,5-di-t-butyl) benzotriazole is 20:30:40:10:1.
6. the preparation technology of anti-blue light resin lens according to claim 1, is characterized in that: comprise the steps:
1) monomer mixing:
Take component A, component C in proportion, stir at normal temperatures, add a small amount of internal mold release and catalyzer, at normal temperatures vacuum stirring 30 ~ 60min, component C is dissolved completely, puts into ice-water bath, after continuing vacuum stirring, cool to 10 DEG C ± 2 DEG C; Add B component, stop after vacuum stirring 45 ~ 60min stirring in ice-water bath, the static 30 ~ 45min of vacuum in ice-water bath;
2) mirror is solidified into:
Nitrogen is exerted pressure, and mix monomer injects the mould prepared through filtering membrane, inject complete, the mould that mix monomer is housed is put into curing oven and carries out thermosetting and change into mirror;
3) regelate:
Thermofixation terminates, and carries out coming out of the stove, die sinking, trimming, after cleaning, eyeglass carries out regelate.
7. the preparation technology of anti-blue light resin lens according to claim 6, is characterized in that: described step 1) in, vacuum tightness is-0.08-0.09Mpa, and described catalyzer is dibutyl tin dichloride.
8. the preparation technology of anti-blue light resin lens according to claim 6, is characterized in that: described step 2) in, the aperture of described filtering membrane is 1 ~ 3 μm, and the pressure that nitrogen is exerted pressure is 0.05 ~ 0.09Mpa.
9. the preparation technology of anti-blue light resin lens according to claim 6, is characterized in that: described step 2) in solidification heat solidification value curve and set time as follows:
Specific refractory power be 1.56 cure profile and set time be:
28 DEG C
2.0hr35 DEG C
4.0hr50 DEG C
3.0hr70 DEG C
3.0hr80 DEG C
6.0hr130 DEG C
2.0hr130 DEG C
1.0hr70 DEG C
1.0hr70 DEG C, need 22 hours altogether;
Specific refractory power be 1.60 cure profile and set time be:
30 DEG C
6hr.40 DEG C
3hr.50 DEG C
2hr.65 DEG C
3hr.95 DEG C
1hr.120 DEG C
4hr.120 DEG C
1hr.70 DEG C, need 21 hours altogether;
Specific refractory power is cure profile and the set time of 1.67:
30 DEG C
4.5hr.30 DEG C 5
hr.60 DEG C
3hr.90 DEG C
0.5hr.100 DEG C
0.5hr.120 DEG C
2hr.120 DEG C
1hr.70 DEG C, need 16.5 hours altogether.
10. the preparation technology of anti-blue light resin lens according to claim 6, is characterized in that: described step 3) in, regelate process, adopts and keeps 2 ~ 3 hours temperature 120 ~ 130 DEG C.
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Application publication date: 20150204 |
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